Goodwill, Purchased Technology and Other Intangible Assets (Details 5) (USD $) In Millions, unless otherwise specified	Oct. 27, 2013	Oct. 28, 2012
Future estimated amortization expense
Future estimated amortization expense, 2014	$ 181
Future estimated amortization expense, 2015	175
Future estimated amortization expense, 2016	169
Future estimated amortization expense, 2017	165
Future estimated amortization expense, 2018	163
Future estimated amortization expense, Thereafter	108
Carrying amount	$ 961	$ 1,213